Live Stream Cam Installation at Waterfront

I need an outdoor live stream cam for ocean observation at my waterfront property. The cam should be able to withstand the elements and deliver high-definition video and have high zoom ability.

Key requirements:
- Guide me in Purchase and install the cam at the waterfront
- Ensure it is weather resistant and capable of high-definition video
- Expertise in outdoor camera installation and live streaming setup

Ideal Skills:
- Experience with set up of high-definition, weather-resistant live stream cameras
- Prior work with camera installations and software for streaming
- Troubleshooting skills for potential tech issues